White sponge nevus (WSN) is an interesting hereditary oral mucosal disorder that commonly manifests as bilaterally symmetrical, thickened white, corrugated or velvety, diffuse plaques that predominantly affects the buccal mucosa. The lesions may develop at birth or later in childhood or adolescence. Because it is asymptomatic and benign, WSN requires no treatment. Recognition of this disorder is important due to its potential confusion with other lesions that may be found in the oral cavity. Emphasis should be given to the early and correct diagnosis of this disorder to avoid unnecessary treatment. This report presents three affected members of a single family.
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http://dx.doi.org/10.4103/0973-029X.185915 | DOI Listing |
Sci Rep
December 2024
Science Group, Natural History Museum, Cromwell Road, London, SW7 5BD, UK.
The earliest named stromatolite Cryptozoon Hall, 1884 (Late Cambrian, ca. 490 Ma, eastern New York State), was recently re-interpreted as an interlayered microbial mat and non-spiculate (keratosan) sponge deposit. This "classic stromatolite" is prominent in a fundamental debate concerning the significance or even existence of non-spiculate sponges in carbonate rocks from the Neoproterozoic (Tonian) onwards.
View Article and Find Full Text PDFAm J Case Rep
December 2024
Department of Pediatric Dentistry, Medical University of Warsaw, Warsaw, Poland.
The Figures were published in the incorrect order with incorrect captions. Below are the corrected versions. Reference: Karolina Spodzieja, Piotr Sobiech, Dorota Olczak-Kowalczyk.
View Article and Find Full Text PDFRetina
December 2024
Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Purpose: This study aimed to evaluate the efficacy and safety of using an absorbable gelatin sponge as an intrascleral buckle in rabbit eyes; it also monitored degradation of the gelatin sponge over time.
Methods: Ten New Zealand white rabbits underwent surgery to implant an absorbable gelatin sponge as an intrascleral buckle. Weekly ophthalmic examinations were conducted before and after the procedure until the implant was fully absorbed.
Am J Case Rep
November 2024
Department of Pediatric Dentistry, Medical University of Warsaw, Warsaw, Poland.
BACKGROUND White sponge nevus (WSN) is rare, hereditary oral mucosa disorder. This condition usually presents as asymptomatic white coatings on mucous membranes that vary in intensity and thickness. Changes are usually observed on the oral cavity mucosa, and other mucosal sites of involvement include nasal, esophageal, and anogenital.
View Article and Find Full Text PDFBiol Rev Camb Philos Soc
November 2024
Pertsov White Sea Biological Station, Biological Faculty, Lomonosov Moscow State University, Leninskie gory 1-12, Moscow, 119234, Russia.
Archaeocytes are considered a key cell type in sponges (Porifera). They are believed to be multifunctional cells performing various functions, from nutrient digestion to acting as adult stem cells (ASCs). Thus, archaeocytes are mentioned in discussions on various aspects of sponge biology.
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